Developer Data Format Tools
Lightning-fast. Privacy-first. Free.
Upload files or paste content for professional-grade data format conversion. All processing runs entirely in your browser - no server uploads, no tracking, no limits.
Popular Tools
JSON Formatter
PopularBeautify and format JSON with proper indentation for easy reading
JSON Validator
PopularValidate JSON syntax and catch errors before deployment
JSON Minifier
Compress JSON by removing whitespace to reduce file size
JSON Viewer
NewExplore and visualize nested JSON structures with interactive tree navigation
Base64 Encoder
Encode text and data to Base64 format for safe transmission
Base64 Decoder
PopularDecode Base64 encoded strings back to readable text
Binary to Text
Convert binary data to human-readable text format
YAML to JSON
Easy WinConvert YAML configuration files to JSON format instantly
JSON to YAML
Easy WinConvert JSON data to YAML format for configuration files
JSON to CSV
Easy WinExport JSON data as CSV for spreadsheets and databases
CSV to JSON
Import CSV data and convert it to JSON format
JSON to XML
Convert JSON to XML format for legacy systems and APIs
XML to JSON
Transform XML to JSON for modern web applications
URL Encoder
Encode URLs and query strings for safe transmission
URL Decoder
Decode URL-encoded strings back to readable text
Text to Binary
Convert text to binary format for encoding and storage
Text to Hex
Convert text to hexadecimal format for low-level data processing
Hex to Text
Convert hexadecimal strings back to readable text
ASCII Table
ReferenceReference table for ASCII character codes and values
JSON Diff & Compare
NewCompare two JSON objects side-by-side and highlight differences
CSV Validator
NewValidate CSV format and check for common formatting errors
YAML Validator
NewValidate YAML syntax and detect configuration errors
XML Validator
NewCheck XML well-formedness and validate document structure
JSON Schema Validator
NewValidate JSON data against JSON Schema specifications
Why FormatKit?
Privacy First
All processing happens in your browser. Your data never leaves your device.
Lightning Fast
No server roundtrips. Instant conversions with real-time processing.
Keyboard Shortcuts
Power user features with keyboard shortcuts. Work faster with Ctrl+Enter and more.
File Upload Support
Drag and drop files or click to browse. Process files up to 10MB directly in your browser.
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